- Thread Class
- 3A
- Thread Direction
- Right-hand
- Thread Length
- 0.297 inches minimum
- Fastener Length
- 1.094 inches nominal
- Head Style
- Button
- Head Diameter
- 0.484 inches minimum and 0.516 inches maximum
- Head Height
- 0.109 inches minimum and 0.141 inches maximum
- Groove Diameter
- 0.196 inches nominal
- Shank Unthreaded Hole Diameter
- 0.076 inches minimum first hole and 0.086 inches maximum first hole
- Single Shear Strength
- 3680 pounds per square inch
- Internal Drive Style
- SLOT
- Nominal Thread Diameter
- 0.250 inches
- Thread Quantity per Inch
- 28
- Distance from Head Largest Bearing Surface to Shank Hole Center
- 0.938 inches nominal first hole
- Material
- Steel comp 8740 overall or steel comp 8630 overall or steel comp 8735 overall or steel comp 4140 overall or steel comp 4130 overall or steel comp 4037 overall
- Material Document and Classification
- MIL-S-6049 mil spec 1ST material response overall or MIL-S-6050 mil spec 2ND material response overall or MIL-S-6098 mil spec 3RD material response overall or MIL-S-5626 mil spec 4TH material response overall or MIL-S-6758 mil spec 5TH material response overall or MIL-S-8695 mil spec 6TH material response overall
- Surface Treatment
- Cadmium overall and chromate overall
- Surface Treatment Document and Classification
- QQ-P-416, ty 2, cl 3 fed spec single treatment response overall
- Thread Series Designator
- UNF
- Departure from Cited Document
- Thread T per MIL-S-7742 except major D1A is not to exceed max allow bolt shank D1A
Catalogue data is compiled from public DLA/FLIS sources and is provided for
identification. Availability, condition and certification are confirmed on
quotation. OmniSynk Distribution Services is a stocking distributor.